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Finding the Fourth Proportional to 298,287.59, 446,552.21 and 196,898.58

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Solution

The fourth proportional to 298,287.59, 446,552.21 and 196,898.58 is: 294,767.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,287.59 : 446,552.21 = 196,898.58 : x
  2. Step 2: Convert to fraction form
    298,287.59/446,552.21 = 196,898.58/x
  3. Step 3: Cross multiply
    298,287.59x = 446,552.21 × 196,898.58
  4. Step 4: Simplify right side
    298,287.59x = 87,925,496,537.11
  5. Step 5: Solve for x
    x = 87,925,496,537.11/298,287.59
  6. Step 6: Final answer
    x = 294,767.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.